OHA Drinking Water Services
OR41
PWS ID: 00248 ---- DALLAS, CITY OF
LRAAs and OELs

LRAA = Locational running annual average; OEL = Operational evaluation level. Learn about OELs here.
Averages are subject to change as new data is taken into consideration.

TTHM MCL = 0.080 mg/L,  HAA5 MCL = 0.060 mg/L.  MCL exceedances are indicated with red text.

Monitoring
Period
Last
Sample
Sample
Point
Location TTHM
LRAA
TTHM
OEL
HAA5
LRAA
HAA5
OEL
3Q2024 Aug 01, 2024 2DBP-01 175 PLEASANT DR 0.041 0.041 0.025 0.025
3Q2024 Aug 01, 2024 2DBP-02 827 SE LYLE ST 0.038 0.039 0.035 0.030
3Q2024 Aug 01, 2024 2DBP-03 1426 SE ANA ST 0.039 0.041 0.033 0.030
3Q2024 Aug 01, 2024 2DBP-04 11575 ORRS CORNER RD 0.042 0.041 0.022 0.028
2Q2024 May 16, 2024 2DBP-01 175 PLEASANT DR 0.039 0.035 0.024 0.023
2Q2024 May 16, 2024 2DBP-02 827 SE LYLE ST 0.037 0.032 0.034 0.033
2Q2024 May 16, 2024 2DBP-03 1426 SE ANA ST 0.037 0.033 0.032 0.032
2Q2024 May 16, 2024 2DBP-04 11575 ORRS CORNER RD 0.040 0.035 0.018 0.022
1Q2024 Feb 15, 2024 2DBP-01 175 PLEASANT DR 0.038 0.036 0.024 0.021
1Q2024 Feb 15, 2024 2DBP-02 827 SE LYLE ST 0.036 0.033 0.032 0.029
1Q2024 Feb 15, 2024 2DBP-03 1426 SE ANA ST 0.036 0.033 0.031 0.028
1Q2024 Feb 15, 2024 2DBP-04 11575 ORRS CORNER RD 0.039 0.036 0.014 0.014
4Q2023 Nov 09, 2023 2DBP-01 175 PLEASANT DR 0.038 0.048 0.024 0.030
4Q2023 Nov 09, 2023 2DBP-02 827 SE LYLE ST 0.036 0.044 0.031 0.042
4Q2023 Nov 09, 2023 2DBP-03 1426 SE ANA ST 0.036 0.045 0.030 0.039
4Q2023 Nov 09, 2023 2DBP-04 11575 ORRS CORNER RD 0.039 0.050 0.011 0.012
3Q2023 Aug 03, 2023 2DBP-01 175 PLEASANT DR 0.036 0.037 0.025 0.023
3Q2023 Aug 03, 2023 2DBP-02 827 SE LYLE ST 0.034 0.036 0.029 0.026
3Q2023 Aug 03, 2023 2DBP-03 1426 SE ANA ST 0.034 0.036 0.028 0.026
3Q2023 Aug 03, 2023 2DBP-04 11575 ORRS CORNER RD 0.037 0.037 0.011 0.013
2Q2023 May 18, 2023 2DBP-01 175 PLEASANT DR 0.032 0.030 0.025 0.024
2Q2023 May 18, 2023 2DBP-02 827 SE LYLE ST 0.030 0.028 0.029 0.028
2Q2023 May 18, 2023 2DBP-03 1426 SE ANA ST 0.030 0.028 0.028 0.027
2Q2023 May 18, 2023 2DBP-04 11575 ORRS CORNER RD 0.033 0.031 0.011 0.011
1Q2023 Feb 02, 2023 2DBP-01 175 PLEASANT DR 0.031 0.029 0.025 0.021
1Q2023 Feb 02, 2023 2DBP-02 827 SE LYLE ST 0.029 0.027 0.029 0.025
1Q2023 Feb 02, 2023 2DBP-03 1426 SE ANA ST 0.030 0.027 0.029 0.025
1Q2023 Feb 02, 2023 2DBP-04 11575 ORRS CORNER RD 0.032 0.031 0.010 0.008
4Q2022 Nov 17, 2022 2DBP-01 175 PLEASANT DR 0.030 0.038 0.025 0.031
4Q2022 Nov 17, 2022 2DBP-02 827 SE LYLE ST 0.029 0.035 0.030 0.037
4Q2022 Nov 17, 2022 2DBP-03 1426 SE ANA ST 0.029 0.036 0.037 0.036
4Q2022 Nov 17, 2022 2DBP-04 11575 ORRS CORNER RD 0.032 0.040 0.012 0.012
3Q2022 Aug 04, 2022 2DBP-01 175 PLEASANT DR 0.034 0.028 0.021 0.022
3Q2022 Aug 04, 2022 2DBP-02 827 SE LYLE ST 0.032 0.027 0.028 0.026
3Q2022 Aug 04, 2022 2DBP-03 1426 SE ANA ST 0.033 0.027 0.035 0.034
3Q2022 Aug 04, 2022 2DBP-04 11575 ORRS CORNER RD 0.035 0.028 0.012 0.014
2Q2022 May 19, 2022 2DBP-01 175 PLEASANT DR 0.041 0.031 0.021 0.020
2Q2022 May 19, 2022 2DBP-02 827 SE LYLE ST 0.039 0.029 0.028 0.027
2Q2022 May 19, 2022 2DBP-03 1426 SE ANA ST 0.040 0.031 0.034 0.034
2Q2022 May 19, 2022 2DBP-04 11575 ORRS CORNER RD 0.042 0.032 0.011 0.011
1Q2022 Feb 15, 2022 2DBP-01 175 PLEASANT DR 0.041 0.038 0.019 0.018
1Q2022 Feb 15, 2022 2DBP-02 827 SE LYLE ST 0.039 0.036 0.027 0.025
1Q2022 Feb 15, 2022 2DBP-03 1426 SE ANA ST 0.040 0.037 0.033 0.039
1Q2022 Feb 15, 2022 2DBP-04 11575 ORRS CORNER RD 0.043 0.040 0.011 0.010
4Q2021 Nov 04, 2021 2DBP-01 175 PLEASANT DR 0.042 0.052 0.019 0.021
4Q2021 Nov 04, 2021 2DBP-02 827 SE LYLE ST 0.040 0.050 0.028 0.032
4Q2021 Nov 04, 2021 2DBP-03 1426 SE ANA ST 0.041 0.051 0.026 0.030
4Q2021 Nov 04, 2021 2DBP-04 11575 ORRS CORNER RD 0.043 0.055 0.010 0.009
3Q2021 Aug 19, 2021 2DBP-01 175 PLEASANT DR 0.040 0.043 0.020 0.021
3Q2021 Aug 19, 2021 2DBP-02 827 SE LYLE ST 0.038 0.041 0.031 0.027
3Q2021 Aug 19, 2021 2DBP-03 1426 SE ANA ST 0.038 0.042 0.028 0.025
3Q2021 Aug 19, 2021 2DBP-04 11575 ORRS CORNER RD 0.041 0.044 0.011 0.012
2Q2021 May 06, 2021 2DBP-01 175 PLEASANT DR 0.034 0.031 0.019 0.018
2Q2021 May 06, 2021 2DBP-02 827 SE LYLE ST 0.033 0.030 0.031 0.029
2Q2021 May 06, 2021 2DBP-03 1426 SE ANA ST 0.033 0.030 0.029 0.027
2Q2021 May 06, 2021 2DBP-04 11575 ORRS CORNER RD 0.035 0.032 0.011 0.011
1Q2021 Feb 04, 2021 2DBP-01 175 PLEASANT DR 0.035 0.032 0.019 0.017
1Q2021 Feb 04, 2021 2DBP-02 827 SE LYLE ST 0.033 0.030 0.032 0.030
1Q2021 Feb 04, 2021 2DBP-03 1426 SE ANA ST 0.034 0.031 0.030 0.028
1Q2021 Feb 04, 2021 2DBP-04 11575 ORRS CORNER RD 0.036 0.032 0.011 0.010
4Q2020 Nov 05, 2020 2DBP-01 175 PLEASANT DR 0.036 0.044 0.021 0.022
4Q2020 Nov 05, 2020 2DBP-02 827 SE LYLE ST 0.033 0.041 0.032 0.038
4Q2020 Nov 05, 2020 2DBP-03 1426 SE ANA ST 0.034 0.041 0.031 0.035
4Q2020 Nov 05, 2020 2DBP-04 11575 ORRS CORNER RD 0.037 0.045 0.013 0.012
3Q2020 Aug 06, 2020 2DBP-01 175 PLEASANT DR 0.034 0.032 0.023 0.021
3Q2020 Aug 06, 2020 2DBP-02 827 SE LYLE ST 0.031 0.031 0.033 0.029
3Q2020 Aug 06, 2020 2DBP-03 1426 SE ANA ST 0.032 0.032 0.032 0.028
3Q2020 Aug 06, 2020 2DBP-04 11575 ORRS CORNER RD 0.034 0.034 0.012 0.013
2Q2020 May 07, 2020 2DBP-01 175 PLEASANT DR 0.035 0.032 0.024 0.023
2Q2020 May 07, 2020 2DBP-02 827 SE LYLE ST 0.033 0.029 0.032 0.032
2Q2020 May 07, 2020 2DBP-03 1426 SE ANA ST 0.033 0.029 0.030 0.030
2Q2020 May 07, 2020 2DBP-04 11575 ORRS CORNER RD 0.035 0.031 0.015 0.013
1Q2020 Feb 06, 2020 2DBP-01 175 PLEASANT DR 0.034 0.033 0.024 0.024
1Q2020 Feb 06, 2020 2DBP-02 827 SE LYLE ST 0.031 0.030 0.031 0.032
1Q2020 Feb 06, 2020 2DBP-03 1426 SE ANA ST 0.032 0.030 0.030 0.030
1Q2020 Feb 06, 2020 2DBP-04 11575 ORRS CORNER RD 0.035 0.033 0.015 0.016
4Q2019 Nov 07, 2019 2DBP-01 175 PLEASANT DR 0.033 0.040 0.023 0.028
4Q2019 Nov 07, 2019 2DBP-02 827 SE LYLE ST 0.031 0.037 0.030 0.038
4Q2019 Nov 07, 2019 2DBP-03 1426 SE ANA ST 0.031 0.037 0.028 0.035
4Q2019 Nov 07, 2019 2DBP-04 11575 ORRS CORNER RD 0.033 0.040 0.014 0.013
3Q2019 Aug 01, 2019 2DBP-01 175 PLEASANT DR 0.032 0.034 0.022 0.021
3Q2019 Aug 01, 2019 2DBP-02 827 SE LYLE ST 0.030 0.033 0.028 0.025
3Q2019 Aug 01, 2019 2DBP-03 1426 SE ANA ST 0.032 0.033 0.027 0.024
3Q2019 Aug 01, 2019 2DBP-04 11575 ORRS CORNER RD 0.030 0.034 0.016 0.017
2Q2019 May 02, 2019 2DBP-01 175 PLEASANT DR 0.036 0.027 0.022 0.020
2Q2019 May 02, 2019 2DBP-02 827 SE LYLE ST 0.034 0.025 0.027 0.026
2Q2019 May 02, 2019 2DBP-03 1426 SE ANA ST 0.035 0.027 0.026 0.026
2Q2019 May 02, 2019 2DBP-04 11575 ORRS CORNER RD 0.034 0.025 0.014 0.013
1Q2019 Mar 04, 2019 2DBP-01 175 PLEASANT DR 0.036 0.034 0.023 0.022
1Q2019 Mar 04, 2019 2DBP-02 827 SE LYLE ST 0.035 0.032 0.028 0.026
1Q2019 Mar 04, 2019 2DBP-03 1426 SE ANA ST 0.036 0.033 0.027 0.025
1Q2019 Mar 04, 2019 2DBP-04 11575 ORRS CORNER RD 0.034 0.031 0.015 0.014
4Q2018 Dec 11, 2018 2DBP-01 175 PLEASANT DR 0.035 0.041 0.023 0.027
4Q2018 Dec 11, 2018 2DBP-02 827 SE LYLE ST 0.035 0.040 0.028 0.034
4Q2018 Dec 11, 2018 2DBP-03 1426 SE ANA ST 0.036 0.042 0.028 0.033
4Q2018 Dec 11, 2018 2DBP-04 11575 ORRS CORNER RD 0.034 0.038 0.012 0.017
3Q2018 Sep 10, 2018 2DBP-01 175 PLEASANT DR 0.036 0.040 0.022 0.022
3Q2018 Sep 10, 2018 2DBP-02 827 SE LYLE ST 0.036 0.040 0.027 0.024
3Q2018 Sep 10, 2018 2DBP-03 1426 SE ANA ST 0.037 0.041 0.028 0.024
3Q2018 Sep 10, 2018 2DBP-04 11575 ORRS CORNER RD 0.038 0.042 0.012 0.012
2Q2018 Jun 11, 2018 2DBP-01 175 PLEASANT DR 0.032 0.027 0.020 0.021
2Q2018 Jun 11, 2018 2DBP-02 827 SE LYLE ST 0.032 0.028 0.026 0.028
2Q2018 Jun 11, 2018 2DBP-03 1426 SE ANA ST 0.032 0.028 0.026 0.028
2Q2018 Jun 11, 2018 2DBP-04 11575 ORRS CORNER RD 0.034 0.030 0.012 0.012
1Q2018 Feb 12, 2018 2DBP-01 175 PLEASANT DR 0.033 0.030 0.019 0.017
1Q2018 Feb 12, 2018 2DBP-02 827 SE LYLE ST 0.031 0.029 0.025 0.023
1Q2018 Feb 12, 2018 2DBP-03 1426 SE ANA ST 0.032 0.029 0.026 0.025
1Q2018 Feb 12, 2018 2DBP-04 11575 ORRS CORNER RD 0.033 0.030 0.012 0.011
4Q2017 Nov 02, 2017 2DBP-01 175 PLEASANT DR 0.033 0.041 0.019 0.023
4Q2017 Nov 02, 2017 2DBP-02 827 SE LYLE ST 0.031 0.038 0.025 0.031
4Q2017 Nov 02, 2017 2DBP-03 1426 SE ANA ST 0.031 0.039 0.025 0.031
4Q2017 Nov 02, 2017 2DBP-04 11575 ORRS CORNER RD 0.037 0.041 0.012 0.017
3Q2017 Aug 03, 2017 2DBP-01 175 PLEASANT DR 0.030 0.033 0.018 0.017
3Q2017 Aug 03, 2017 2DBP-02 827 SE LYLE ST 0.028 0.032 0.022 0.020
3Q2017 Aug 03, 2017 2DBP-03 1426 SE ANA ST 0.029 0.031 0.021 0.020
3Q2017 Aug 03, 2017 2DBP-04 11575 ORRS CORNER RD 0.033 0.036 0.011 0.011
2Q2017 May 04, 2017 2DBP-01 175 PLEASANT DR 0.030 0.025 0.017 0.019
2Q2017 May 04, 2017 2DBP-02 827 SE LYLE ST 0.029 0.024 0.022 0.023
2Q2017 May 04, 2017 2DBP-03 1426 SE ANA ST 0.029 0.024 0.020 0.022
2Q2017 May 04, 2017 2DBP-04 11575 ORRS CORNER RD 0.034 0.029 0.007 0.011
1Q2017 Feb 02, 2017 2DBP-01 175 PLEASANT DR 0.030 0.027 0.017 0.015
1Q2017 Feb 02, 2017 2DBP-02 827 SE LYLE ST 0.029 0.025 0.022 0.021
1Q2017 Feb 02, 2017 2DBP-03 1426 SE ANA ST 0.029 0.026 0.021 0.018
1Q2017 Feb 02, 2017 2DBP-04 11575 ORRS CORNER RD 0.034 0.035 0.003 0.004
4Q2016 Nov 03, 2016 2DBP-01 175 PLEASANT DR 0.033 0.035 0.018 0.019
4Q2016 Nov 03, 2016 2DBP-02 827 SE LYLE ST 0.033 0.034 0.022 0.024
4Q2016 Nov 03, 2016 2DBP-03 1426 SE ANA ST 0.032 0.034 0.022 0.023
4Q2016 Nov 03, 2016 2DBP-04 11575 ORRS CORNER RD 0.032 0.034 0.003 0.006
3Q2016 Aug 04, 2016 2DBP-01 175 PLEASANT DR 0.036 0.036 0.022 0.017
3Q2016 Aug 04, 2016 2DBP-02 827 SE LYLE ST 0.036 0.036 0.025 0.020
3Q2016 Aug 04, 2016 2DBP-03 1426 SE ANA ST 0.036 0.035 0.024 0.020
3Q2016 Aug 04, 2016 2DBP-04 11575 ORRS CORNER RD 0.033 0.035 0.001 0
2Q2016 May 19, 2016 2DBP-01 175 PLEASANT DR 0.039 0.031 0.023 0.024
2Q2016 May 19, 2016 2DBP-02 827 SE LYLE ST 0.039 0.031 0.025 0.026
2Q2016 May 19, 2016 2DBP-03 1426 SE ANA ST 0.039 0.030 0.025 0.027
2Q2016 May 19, 2016 2DBP-04 11575 ORRS CORNER RD 0.037 0.028 0.004 0.001
1Q2016 Feb 04, 2016 2DBP-01 175 PLEASANT DR 0.040 0.039 0.023 0.020
1Q2016 Feb 04, 2016 2DBP-02 827 SE LYLE ST 0.039 0.039 0.020 0.025
1Q2016 Feb 04, 2016 2DBP-03 1426 SE ANA ST 0.040 0.039 0.024 0.023
1Q2016 Feb 04, 2016 2DBP-04 11575 ORRS CORNER RD 0.038 0.036 0.010 0.004
4Q2015 Nov 19, 2015 2DBP-01 175 PLEASANT DR 0.038 0.045 0.024 0.028
4Q2015 Nov 19, 2015 2DBP-02 827 SE LYLE ST 0.037 0.043 0.020 0.024
4Q2015 Nov 19, 2015 2DBP-03 1426 SE ANA ST 0.039 0.046 0.024 0.028
4Q2015 Dec 03, 2015 2DBP-04 11575 ORRS CORNER RD 0.037 0.041 0.015 0.010
3Q2015 Aug 06, 2015 2DBP-01 175 PLEASANT DR 0.040 0.042 0.023 0.020
3Q2015 Aug 06, 2015 2DBP-02 827 SE LYLE ST 0.033 0.040 0.018 0.015
3Q2015 Aug 06, 2015 2DBP-03 1426 SE ANA ST 0.034 0.041 0.023 0.021
3Q2015 Aug 06, 2015 2DBP-04 11575 ORRS CORNER RD 0.037 0.044 0.022 0.018
2Q2015 May 07, 2015 2DBP-01 175 PLEASANT DR 0.035 0.032 0.023 0.024
2Q2015 May 07, 2015 2DBP-02 827 SE LYLE ST 0.028 0.025 0.017 0.013
2Q2015 May 07, 2015 2DBP-03 1426 SE ANA ST 0.028 0.026 0.022 0.025
2Q2015 May 07, 2015 2DBP-04 11575 ORRS CORNER RD 0.031 0.029 0.022 0.025
1Q2015 Feb 05, 2015 2DBP-01 175 PLEASANT DR 0.035 0.033 0.023 0.022
1Q2015 Feb 05, 2015 2DBP-02 827 SE LYLE ST 0.028 0.026 0.023 0.021
1Q2015 Feb 05, 2015 2DBP-03 1426 SE ANA ST 0.027 0.025 0.023 0.021
1Q2015 Feb 05, 2015 2DBP-04 11575 ORRS CORNER RD 0.030 0.029 0.022 0.021
4Q2014 Nov 06, 2014 2DBP-01 175 PLEASANT DR 0.035 0.044 0.023 0.026
4Q2014 Dec 18, 2014 2DBP-02 827 SE LYLE ST 0.028 0.030 0.022 0.025
4Q2014 Dec 18, 2014 2DBP-03 1426 SE ANA ST 0.027 0.030 0.022 0.025
4Q2014 Dec 18, 2014 2DBP-04 11575 ORRS CORNER RD 0.030 0.034 0.021 0.023
3Q2014 Aug 07, 2014 2DBP-01 175 PLEASANT DR 0.030 0.031 0.024 0.019
3Q2014 Aug 07, 2014 2DBP-02 827 SE LYLE ST 0.029 0.030 0.021 0.019
3Q2014 Aug 07, 2014 2DBP-03 1426 SE ANA ST 0.029 0.029 0.021 0.019
3Q2014 Aug 07, 2014 2DBP-04 11575 ORRS CORNER RD 0.029 0.030 0.021 0.018
2Q2014 May 01, 2014 2DBP-01 175 PLEASANT DR 0.021 0.027 0.019 0.026
2Q2014 May 01, 2014 2DBP-02 827 SE LYLE ST 0.020 0.026 0.017 0.024
2Q2014 May 01, 2014 2DBP-03 1426 SE ANA ST 0.020 0.026 0.017 0.023
2Q2014 May 01, 2014 2DBP-04 11575 ORRS CORNER RD 0.020 0.027 0.017 0.024
1Q2014 Feb 06, 2014 2DBP-01 175 PLEASANT DR 0.014 0.013
1Q2014 Feb 06, 2014 2DBP-02 827 SE LYLE ST 0.013 0.011
1Q2014 Feb 06, 2014 2DBP-03 1426 SE ANA ST 0.014 0.010
1Q2014 Feb 06, 2014 2DBP-04 11575 ORRS CORNER RD 0.014 0.011
4Q2013 Nov 07, 2013 2DBP-01 175 PLEASANT DR 0.008 0.009
4Q2013 Nov 07, 2013 2DBP-02 827 SE LYLE ST 0.008 0.007
4Q2013 Nov 07, 2013 2DBP-03 1426 SE ANA ST 0.009 0.006
4Q2013 Nov 07, 2013 2DBP-04 11575 ORRS CORNER RD 0.008 0.007




More information for this water system: SDWIS ID 3885
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
New! Visit our new Drinking Water Source Protection page.

Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules

Need help? Email Drinking Water Services for assistance.Staff/Partner Login